It’s best to check your chosen provider’s site for more information. Erectile dysfunction can be caused by a variety of factors , including age, cardiovascular problems, diabetes, and other conditions that affect nerve function or blood flow. Popular ED medications found online include: Viagra sildenafil : As the first FDA-approved PDE5 inhibitor for ED, sildenafil is taken 30 minutes to four hours before sexual intercourse to help achieve and maintain an erection. Medicines that block an enzyme called CYP3A4. However, others work on a cash-pay basis and don’t partner with insurance companies. Generic vs. Stendra avanafil : This is an as-needed medication taken 30 minutes before sex and can last up to six hours.Roman Sildenafil Skip to review Best for generic Viagra and other sexual health-related products: Hims Sildenafil Skip to review Best for generic Viagra and other health and . Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles . If you’re holding out for a generic version of branded Viagra, you won’t have to wait much longer. Teva Pharmaceuticals plans to release its generic of the “little blue pill” as early .
